refactor: retain decision state instead of full logs

modelhub_submmit_api/main.py

@@ -19,7 +19,6 @@ from history_stats import (
     build_empty_pre_submit_report,
     count_submissions_for_day,
     load_ledger,
-    update_history_archive,
 )
 from market_intelligence import (
     DEFAULT_FETCH_WORKERS,
@@ -1142,7 +1141,6 @@ def run_submission(
             preflight_advisor.set_feedback_stats(None)
 
     updated_after = determine_updated_after(args, now)
-    history_begin = now - timedelta(days=args.stats_window_days)
     day_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
     # Count today's submissions from the local ledger (avoids expensive paginated API call)
     daily_snapshot = count_submissions_for_day(tasks=[], ledger_entries=ledger_entries, day_start=day_start, day_end=now)
@@ -1186,7 +1184,7 @@ def run_submission(
         if platform_available_slots is not None:
             remaining_daily_quota = min(remaining_daily_quota, platform_available_slots)
 
-    history_report_reason = "history_archive_skipped" if getattr(args, "skip_history_archive", False) else "history_archive_only_mode"
+    history_report_reason = "decision_state_only"
     if args.daily_target > 0 and remaining_daily_quota <= 0:
         archived_history: list[dict[str, Any]] = []
         report = build_empty_pre_submit_report(
@@ -1322,20 +1320,7 @@ def run_submission(
         )
         strategy_summary = strategy_manager.summary()
 
-    if getattr(args, "skip_history_archive", False):
-        archived_history = []
-    else:
-        history_tasks = modelhub_client.list_tasks(
-            page_size=50,
-            only_mine=True,
-            begin_time=history_begin,
-            end_time=now,
-        )
-        archived_history = update_history_archive(
-            history_archive_path,
-            history_tasks,
-            limit=getattr(args, "history_archive_limit", 5000),
-        )
+    archived_history = []
 
     report = build_empty_pre_submit_report(
         window_days=args.stats_window_days,